125615928 has 16 divisors (see below), whose sum is σ = 314039880. Its totient is φ = 41871968.

The previous prime is 125615921. The next prime is 125615933. The reversal of 125615928 is 829516521.

It is a super-2 number, since 2×125615928² = 31558722734602368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125615921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2616975 + ... + 2617022.

Almost surely, 2^125615928 is an apocalyptic number.

It is an amenable number.

125615928 is an abundant number, since it is smaller than the sum of its proper divisors (188423952).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125615928 is a wasteful number, since it uses less digits than its factorization.

125615928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5234006 (or 5234002 counting only the distinct ones).

The product of its digits is 43200, while the sum is 39.

The square root of 125615928 is about 11207.8511767421. The cubic root of 125615928 is about 500.8198921522.

The spelling of 125615928 in words is "one hundred twenty-five million, six hundred fifteen thousand, nine hundred twenty-eight".